IIS

IIS can stand for:

Internet Information Services, a set of Internet-based services for servers using Microsoft Windows
Indian Institute of Science in Bangalore, India
Institute of Ismaili Studies, London in the United Kingdom
Iraqi Intelligence Service, also known as the Mukhabarat
I²S or Inter-IC Sound, a serial bus for audio transmissions.
Institute of Information Scientists, which merged with the Library Association to form Chartered Institute of Library and Information Professionals
The Internet Infrastructure Foundation (Stiftelsen för Internetinfrastruktur), the registry for the swedish CCTLD .se.

Translation

The word "IIS" occurs as such in the following languages: English, German, French, Korean, Italian, Japanese, Swedish, Turkish.